PUK (PIN Unlocking Key) is an unique number for every mobile SIM card , set by every mobile network to protect the privacy, security of their costumers in case of any misuse.

When the PIN code is entered three times wrongly, then entering PIN code will be locked and the phone software will request to enter the PUK code.

The default pin code for most SIM card is 1234 or 0000
When you entered the PUK code also wrongly for 10 times, then you have to take your Phone to the customer care center to unlock and recover it.
So, better stop entering wrong PIN code to avoid requesting PUK code.
Some networks allow you to retrieve PUK through SMS or Online, and this works mostly when your SIM is in active status. Because they will send an OTP to very your mobile number.

In case your simcard get blocked, you
need the PUK Number which is attached to your sim card to get it unblock.
Have you lost your simpack and your
simcard is block? Not to worry i will
be showing an easy way to unblock
your line within 2mins.

Now How Can I Unlock My Blocked Sim Card?

To Unlock or Unblock your sim card just Insert the blocked sim inside phone, then remove it and switch-off the phone. And insert the blocked sim in the phone again and switch on the phone. Then Enter this code: *22233421# After that press the new pin you wish. That’s all. Please don't just read this article and go, share it to your friends using share buttons below.

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